<template>
  <div class="login">
    <div class="form-container">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
        <h3 class="title text-color-gradient">农业保险信息化平台</h3>
        <h6 class="subtitle">AGRICULTURAL INSURANCE INFORMATION PLATFORM</h6>
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            type="text"
            auto-complete="off"
            placeholder="请输入用户名"
          >
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            auto-complete="off"
            placeholder="请输入密码"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <el-input
            v-model="loginForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon"/>
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img"/>
          </div>
        </el-form-item>
<!--        <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>-->
        <el-form-item style="width:100%;">
          <el-button
            :loading="loading"
            size="medium"
            type="primary"
            style="width:100%;"
            @click.native.prevent="handleLogin"
          >
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
          <div style="float: right;" v-if="register">
            <router-link class="link-type" :to="'/register'">立即注册</router-link>
          </div>
        </el-form-item>
      </el-form>
    </div>
    <!--  底部  ui中未设计此元素 -->
    <!--    <div class="el-login-footer">-->
    <!--      <span>Copyright © 2018-2023 ruoyi.vip All Rights Reserved.</span>-->
    <!--    </div>-->
  </div>
</template>

<script>
import {getCodeImg} from "@/api/login";
import Cookies from "js-cookie";
import {encrypt, decrypt} from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          {required: true, trigger: "blur", message: "请输入您的账号"}
        ],
        password: [
          {required: true, trigger: "blur", message: "请输入您的密码"}
        ],
        code: [{required: true, trigger: "change", message: "请输入验证码"}]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, {expires: 30});
            Cookies.set("password", encrypt(this.loginForm.password), {expires: 30});
            Cookies.set('rememberMe', this.loginForm.rememberMe, {expires: 30});
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({path: this.redirect || "/"}).catch(() => {
            });
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
//引入公用scss模块
@import "@/assets/styles/business.scss";   //字符串中的@为src
@import "@/assets/styles/businessTheme.scss";

.login {
  display: flex; //设为弹性盒子
  justify-content: flex-start; //设置沿主轴方向的空白处理方式为从左边开始空白留在右侧
  padding-left: 10vw; //设置左侧间距
  align-items: center; //设置沿辅轴方向的空白处理方式为元素居中
  height: 100%;
  background-image: url("../assets/images/login-background.png");

  background-size: 120% 100%; //按百分比设置
}

.title {
  margin: 0px auto 2px auto;
  text-align: center;
  //设置字体
  font-size: $title-size;
  letter-spacing:1px;

}
//添加英文小标题
.subtitle{
  //设置位置及字体颜色
  margin: 0px auto 30px auto;
  text-align: center;
  color:rgba(255, 255, 255, 0.8);
}

.form-container {
  box-sizing: border-box;
  width: max-content;
  height: max-content;
  padding: 10px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
}

.login-form {
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, .5);
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 38px;


    input {
      height: 38px;
    }

    .el-input__inner{
      background: transparent;
      color: #fff;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }

  .el-button {
    background:linear-gradient(to right, rgb(157, 195, 245), rgb(78, 152, 250)); //按需改为蓝色

    border: none;  //去除原有边框
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>
